81218400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:853

約数の個数: 144

約数和(自身を含む): 270857664

約数和(自身を除く): 189639264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 43, 48, 50, 60, 75, 80, 86, 96, 100, 120, 129, 150, 160, 172, 200, 215, 240, 258, 300, 344, 400, 430, 480, 516, 600, 645, 688, 787, 800, 860, 1032, 1075, 1200, 1290, 1376, 1574, 1720, 2064, 2150, 2361, 2400, 2580, 3148, 3225, 3440, 3935, 4128, 4300, 4722, 5160, 6296, 6450, 6880, 7870, 8600, 9444, 10320, 11805, 12592, 12900, 15740, 17200, 18888, 19675, 20640, 23610, 25184, 25800, 31480, 33841, 34400, 37776, 39350, 47220, 51600, 59025, 62960, 67682, 75552, 78700, 94440, 101523, 103200, 118050, 125920, 135364, 157400, 169205, 188880, 203046, 236100, 270728, 314800, 338410, 377760, 406092, 472200, 507615, 541456, 629600, 676820, 812184, 846025, 944400, 1015230, 1082912, 1353640, 1624368, 1692050, 1888800, 2030460, 2538075, 2707280, 3248736, 3384100, 4060920, 5076150, 5414560, 6768200, 8121840, 10152300, 13536400, 16243680, 20304600, 27072800, 40609200, 81218400]

約数ペア:

[(1, 81218400), (2, 40609200), (3, 27072800), (4, 20304600), (5, 16243680), (6, 13536400), (8, 10152300), (10, 8121840), (12, 6768200), (15, 5414560), (16, 5076150), (20, 4060920), (24, 3384100), (25, 3248736), (30, 2707280), (32, 2538075), (40, 2030460), (43, 1888800), (48, 1692050), (50, 1624368), (60, 1353640), (75, 1082912), (80, 1015230), (86, 944400), (96, 846025), (100, 812184), (120, 676820), (129, 629600), (150, 541456), (160, 507615), (172, 472200), (200, 406092), (215, 377760), (240, 338410), (258, 314800), (300, 270728), (344, 236100), (400, 203046), (430, 188880), (480, 169205), (516, 157400), (600, 135364), (645, 125920), (688, 118050), (787, 103200), (800, 101523), (860, 94440), (1032, 78700), (1075, 75552), (1200, 67682), (1290, 62960), (1376, 59025), (1574, 51600), (1720, 47220), (2064, 39350), (2150, 37776), (2361, 34400), (2400, 33841), (2580, 31480), (3148, 25800), (3225, 25184), (3440, 23610), (3935, 20640), (4128, 19675), (4300, 18888), (4722, 17200), (5160, 15740), (6296, 12900), (6450, 12592), (6880, 11805), (7870, 10320), (8600, 9444)]